Today, the majority of sensors and low-power electronics rely on disposable batteries, resulting in a higher environmental impact and increased maintenance costs due to frequent battery replacements.

The solar cell company Epishine and TempOnline, a company offering digital temperature monitoring for grocery stores, have initiated a collaboration to remove batteries from sensors in retail stores. The sensors that monitor the temperature in coolers and freezers will, through this collaboration, be equipped with Epishine's light energy harvesting modules that generate their own electricity using indoor light.